Cheapest priced copy (The List): $4.49 at Card Kingdom, near mint, their price list as of .
Lantern of Insight 
Artifact · Uncommon · Fifth Dawn · #135
Players play with the top card of their libraries revealed.
{T}, Sacrifice this artifact: Target player shuffles.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
2 printings · $3.99 to $32.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Fifth Dawn | 135 | Uncommon | $5.49 | $32.99 |
| The List | 5DN-135 | Uncommon | $4.49 | $3.99 |
3 rulings from Wizards of the Coast
- 15 April 2013If the top card of your library changes while you're casting a spell, playing a land, or activating an ability, the new top card won't be revealed until you finish doing so.
- 15 April 2013The top card of your library isn't in your hand, so you can't suspend it, cycle it, discard it, or activate any of its activated abilities.
- 15 April 2013When playing with the top card of your library revealed, if an effect tells you to draw several cards, reveal each one before you draw it.